2013444190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 3810240000

約数和(自身を除く): 1796795810

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 199, 251, 278, 290, 398, 502, 695, 995, 1255, 1390, 1990, 2510, 4031, 5771, 7279, 8062, 11542, 14558, 20155, 27661, 28855, 34889, 36395, 40310, 49949, 55322, 57710, 69778, 72790, 99898, 138305, 174445, 249745, 276610, 348890, 499490, 802169, 1011781, 1448521, 1604338, 2023562, 2897042, 4010845, 5058905, 6942911, 7242605, 8021690, 10117810, 13885822, 14485210, 34714555, 69429110, 201344419, 402688838, 1006722095, 2013444190]

約数ペア:

[(1, 2013444190), (2, 1006722095), (5, 402688838), (10, 201344419), (29, 69429110), (58, 34714555), (139, 14485210), (145, 13885822), (199, 10117810), (251, 8021690), (278, 7242605), (290, 6942911), (398, 5058905), (502, 4010845), (695, 2897042), (995, 2023562), (1255, 1604338), (1390, 1448521), (1990, 1011781), (2510, 802169), (4031, 499490), (5771, 348890), (7279, 276610), (8062, 249745), (11542, 174445), (14558, 138305), (20155, 99898), (27661, 72790), (28855, 69778), (34889, 57710), (36395, 55322), (40310, 49949)]